80439260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2879}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 185794560

約数和(自身を除く): 105355300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 2540, 2794, 2879, 5588, 5758, 6985, 11516, 13970, 14395, 27940, 28790, 31669, 57580, 63338, 126676, 158345, 316690, 365633, 633380, 731266, 1462532, 1828165, 3656330, 4021963, 7312660, 8043926, 16087852, 20109815, 40219630, 80439260]

約数ペア:

[(1, 80439260), (2, 40219630), (4, 20109815), (5, 16087852), (10, 8043926), (11, 7312660), (20, 4021963), (22, 3656330), (44, 1828165), (55, 1462532), (110, 731266), (127, 633380), (220, 365633), (254, 316690), (508, 158345), (635, 126676), (1270, 63338), (1397, 57580), (2540, 31669), (2794, 28790), (2879, 27940), (5588, 14395), (5758, 13970), (6985, 11516)]